// called on per-frame Update()
virtual public void PreRender()
{
root.Show();
float useDegrees = (GizmoVisualDegrees > 0) ? GizmoVisualDegrees : SceneGraphConfig.DefaultAxisGizmoVisualDegrees;
float fWorldSize = VRUtil.GetVRRadiusForVisualAngle(
root.GetPosition(),
parentScene.ActiveCamera.GetPosition(),
useDegrees);
float fSceneSize = fWorldSize / parentScene.GetSceneScale();
float fGeomScale = fSceneSize / initialGizmoRadius;
root.SetLocalScale(new Vector3f(fGeomScale));
foreach (var widget in Widgets)
{
widget.Value.UpdateGizmoWorldSize(fWorldSize);
}
if (DynamicVisibilityFiltering && targetWrapper != null)
{
Frame3f frameW = targetWrapper.GetLocalFrame(CoordSpace.WorldCoords);
Vector3d camPosW = parentScene.ActiveCamera.GetPosition();
foreach (var go in enabledWidgetGOs)
{
Standard3DTransformWidget widget = Widgets[go];
bool visible = widget.CheckVisibility(ref frameW, ref camPosW);
go.SetVisible(visible);
}
}
}
// figuring out a decent line width is tricky. Want to be responsive to camera
// pos, so line doesn't get super-thick when zoomed in. So we want to measure
// screen-space radius. But off-screen vertices are a problem. So, only consider
// vertices within a level, pointing-forward view cone (can't be actual view cone
// because then line thickness changes as you turn head!).
//
// Also sub-sample verts for efficiency. Probably we don't need to do this
// every frame...but how to distribute?
//
// ***returns 0*** if we couldn't find any points in view cone
public static float EstimateStableCurveWidth(FScene scene,
Frame3f curveFrameS, DCurve3 curve, float fVisualAngleDeg)
{
// do computations in Scene coords..."safest"?
Vector3f camPos = scene.ActiveCamera.GetPosition();
Vector3f camForward = scene.ActiveCamera.Forward();
// use level-forward
camForward[1] = 0; camForward.Normalize();
camPos = scene.ToSceneP(camPos);
camForward = scene.ToSceneN(camForward);
const float ViewConeDotThresh = 0.707106f; // 45 degrees
int nSubSampleInc = Math.Max(2, curve.VertexCount / 10);
float rSum = 0; int iSum = 0;
for (int k = 0; k < curve.VertexCount; k += nSubSampleInc)
{
Vector3f vS = (Vector3f)curve.GetVertex(k);
vS = curveFrameS.FromFrameP(vS);
Vector3f dv = (vS - camPos).Normalized;
if (dv.Dot(camForward) < ViewConeDotThresh)
{
continue;
}
float r = VRUtil.GetVRRadiusForVisualAngle(vS, camPos, fVisualAngleDeg);
rSum += r; iSum++;
}
return((rSum == 0) ? 0 : scene.ToWorldDimension(rSum / (float)iSum));
}
public override void update_width(float width)
{
// how to convert this width to pixels?
//float near_plane_w = Camera.main.nearClipPlane * (float)Math.Tan(Camera.main.fieldOfView);
//float near_pixel_w = Camera.main.pixelWidth / near_plane_w;
float near_plane_pixel_deg = Camera.main.fieldOfView / Camera.main.pixelWidth;
float fWidth = VRUtil.GetVRRadiusForVisualAngle(center, Camera.main.transform.position, near_plane_pixel_deg);
r.startWidth = r.endWidth = width * fWidth;
}
public override void PreRender()
{
float fScaling = VRUtil.GetVRRadiusForVisualAngle(
pivot.transform.position,
parentScene.ActiveCamera.GetPosition(),
SceneGraphConfig.DefaultPivotVisualDegrees);
fScaling /= parentScene.GetSceneScale();
pivot.transform.localScale = new Vector3(fScaling, fScaling, fScaling);
}
public override void PreRender()
{
if (MaintainConsistentViewSize)
{
float fScaling = VRUtil.GetVRRadiusForVisualAngle(
pivotGO.GetPosition(),
parentScene.ActiveCamera.GetPosition(),
SceneGraphConfig.DefaultPivotVisualDegrees);
fScaling /= parentScene.GetSceneScale();
pivotGO.SetLocalScale(new Vector3f(fScaling, fScaling, fScaling));
}
}
// called on per-frame Update()
override public void PreRender()
{
gizmo.Show();
foreach (var v in Widgets)
{
float fScaling = VRUtil.GetVRRadiusForVisualAngle(
v.Key.GetPosition(),
parentScene.ActiveCamera.GetPosition(),
SceneGraphConfig.DefaultPivotVisualDegrees);
fScaling /= parentScene.GetSceneScale();
v.Key.SetLocalScale(fScaling * WidgetScale);
}
}
public void UpdateSetWorldScale(Ray3f left, Ray3f right)
{
Vector3f hit1 = hitFrame.RayPlaneIntersection(left.Origin, left.Direction, 2);
Vector3f hit2 = hitFrame.RayPlaneIntersection(right.Origin, right.Direction, 2);
Vector3f avg = (hit1 + hit2) * 0.5f;
float r0 = (hit1 - (Vector3f)go.transform.position).Length;
float r1 = (hit2 - (Vector3f)go.transform.position).Length;
float r = (r0 + r1) * 0.5f;
float min_r = VRUtil.GetVRRadiusForVisualAngle(avg, camState.camPosition, 2.0f);
r = (float)Math.Max(r, min_r);
go.transform.localScale = r * Vector3f.One;
go.GetComponent <Renderer>().material =
(r > deadzone_r) ? mYes : mNo;
}
// called on per-frame Update()
virtual public void PreRender()
{
gizmo.Show();
float fScaling = VRUtil.GetVRRadiusForVisualAngle(
gizmo.transform.position,
parentScene.ActiveCamera.GetPosition(),
SceneGraphConfig.DefaultAxisGizmoVisualDegrees);
fScaling /= parentScene.GetSceneScale();
float fGeomDim = gizmoGeomBounds.size.magnitude;
fScaling /= fGeomDim;
gizmo.transform.localScale = new Vector3(fScaling, fScaling, fScaling);
}
public void PreRender(Vector3f cameraPosW)
{
float fSceneScale = parentSO.GetScene().GetSceneScale();
foreach (var i in vObjects)
{
Vector3f vPos = i.go.transform.position;
float fR = VRUtil.GetVRRadiusForVisualAngle(vPos, cameraPosW, i.fVisualRadiusDeg);
// have to compensate for scaling of parent SO
float fParentSOScale = parentSO.GetLocalScale()[0];
fR = fR / fParentSOScale / fSceneScale;
i.go.transform.localScale = fR * Vector3f.One;
}
}
public override Capture BeginCapture(InputState input, CaptureSide eSide)
{
HandInfo hi = new HandInfo();
hi.eMode = ActionMode.TransformCamera;
Frame3f camFrame = cockpit.ActiveCamera.GetWorldFrame();
// if both rays hit scene and are within a few visual degrees, then we
// we pull out a sphere and use it to re-scale the world.
// Otherwise do normal hand-transform actions
AnyRayHit hit1, hit2;
bool bHit1 = cockpit.Scene.FindSceneRayIntersection(input.vLeftSpatialWorldRay, out hit1);
bool bHit2 = cockpit.Scene.FindSceneRayIntersection(input.vRightSpatialWorldRay, out hit2);
if (bHit1 && bHit2)
{
Vector3 avg = (hit1.hitPos + hit2.hitPos) * 0.5f;
float d = VRUtil.GetVRRadiusForVisualAngle(avg, camFrame.Origin, 2.0f);
if ((hit1.hitPos - hit2.hitPos).Length < d)
{
hi.eMode = ActionMode.SetWorldScale;
Frame3f centerF = cockpit.Scene.SceneFrame;
centerF.Origin = avg;
Frame3f planeF = new Frame3f(centerF.Origin, camFrame.Z);
hi.BeginSetWorldScale(centerF, planeF, 2 * d);
hi.UpdateSetWorldScale(input.vLeftSpatialWorldRay, input.vRightSpatialWorldRay);
}
}
hi.leftStartF = input.LeftHandFrame;
hi.rightStartF = input.RightHandFrame;
hi.camState = cockpit.ActiveCamera.Manipulator().GetCurrentState(cockpit.Scene);
hi.camRight = camFrame.X;
hi.camForward = camFrame.Z;
cockpit.ActiveCamera.SetTargetVisible(true);
return(Capture.Begin(this, CaptureSide.Both, hi));
}
public void Update()
{
targetGO.transform.position = TargetPoint;
float fScaling = VRUtil.GetVRRadiusForVisualAngle(TargetPoint, gameObject.transform.position, 1.0f);
targetGO.transform.localScale = new Vector3(fScaling, fScaling, fScaling);
if (ShowTarget)
{
Material setMaterial = hiddenMaterial;
// raycast into scene and if we hit ball before we hit anything else, render
// it darker red, to give some sense of inside/outside
if (this.context != null)
{
Vector3 camPos = this.context.ActiveCamera.GetPosition();
float fDistSqr = (TargetPoint - camPos).sqrMagnitude;
Ray ray_t = new Ray(camPos, (TargetPoint - camPos).normalized);
AnyRayHit hit;
if (this.context.Scene.FindSceneRayIntersection(ray_t, out hit) == false)
{
setMaterial = visibleMaterial;
}
else if (hit.fHitDist * hit.fHitDist * 1.005f > fDistSqr)
{
setMaterial = visibleMaterial;
}
}
MaterialUtil.SetMaterial(targetGO, setMaterial);
targetGO.Show();
}
else
{
targetGO.Hide();
}
}
public void Update()
{
targetGO.transform.position = TargetPoint;
float fScaling = VRUtil.GetVRRadiusForVisualAngle(TargetPoint, gameObject.transform.position, SceneGraphConfig.CameraPivotVisualDegrees);
targetGO.transform.localScale = fScaling * Vector3f.One;
if (ShowTarget && SceneGraphConfig.EnableVisibleCameraPivot)
{
Material setMaterial = hiddenMaterial;
// raycast into scene and if we hit ball before we hit anything else, render
// it darker red, to give some sense of inside/outside
if (this.context != null)
{
Vector3f camPos = this.context.ActiveCamera.GetPosition();
float fDistSqr = TargetPoint.DistanceSquared(camPos);
Ray3f ray_t = new Ray3f(camPos, (TargetPoint - camPos).Normalized);
AnyRayHit hit;
if (this.context.Scene.FindSceneRayIntersection(ray_t, out hit) == false)
{
setMaterial = visibleMaterial;
}
else if (hit.fHitDist * hit.fHitDist * 1.005f > fDistSqr)
{
setMaterial = visibleMaterial;
}
}
MaterialUtil.SetMaterial(targetGO, setMaterial);
targetGO.Show();
}
else
{
targetGO.Hide();
}
}
// FixedUpdate is called before any Update
public void Update()
{
if (bFreezeCursor)
{
return;
}
// if we are in capture we freeze the cursor plane
if (context.InCaptureMouse == false)
{
Vector3 camPos = camera.gameObject.transform.position;
Vector3 forward = camera.gameObject.transform.forward;
// orient Y-up plane so that it is in front of eye, perp to camera direction
float fCursorDepth = 10.0f;
fCursorSpeedNormalization = 1.0f;
if (context.ActiveCockpit != null && context.ActiveCockpit.DefaultCursorDepth > 0)
{
fCursorDepth = context.ActiveCockpit.DefaultCursorDepth;
// cursor speed will change depending on cursor plane distance, unless we normalize
fCursorSpeedNormalization *= (fCursorDepth / 10.0f);
}
xformObject.transform.position = camPos + fCursorDepth * forward;
xformObject.transform.LookAt(camera.gameObject.transform);
xformObject.transform.RotateAround(xformObject.transform.position, xformObject.transform.right, 90);
// that plane is the plane the mouse cursor moves on
this.vCursorPlaneOrigin = xformObject.transform.position;
this.vCursorPlaneRight = xformObject.transform.right;
this.vCursorPlaneUp = xformObject.transform.forward; // because we rotated? weird...
this.vRaySourcePosition = camera.transform.position;
// if we were capturing, then plane was frozen and when we stop capturing, if
// head moved, the cursor will pop to a new position (because it is stored in
// local plane coords). So raycast through old cursor to hit new plane and figure
// out new local coords (fCurPlaneX, fCurPlaneY)
if (bWasInCaptureFreeze)
{
Frame3f newF = new Frame3f(vCursorPlaneOrigin, this.camera.transform.forward);
Vector3 vPlaneHit = newF.RayPlaneIntersection(this.vRaySourcePosition,
(vPlaneCursorPos - vRaySourcePosition).normalized, 2);
fCurPlaneX = Vector3.Dot((vPlaneHit - vCursorPlaneOrigin), vCursorPlaneRight);
fCurPlaneY = Vector3.Dot((vPlaneHit - vCursorPlaneOrigin), vCursorPlaneUp);
bWasInCaptureFreeze = false;
}
}
else
{
bWasInCaptureFreeze = true;
}
Vector2f mousePos = InputExtension.Get.Mouse.PositionDelta;
Vector2f leftStick = InputExtension.Get.GamepadLeftStick.Position;
float fX = mousePos.x + leftStick.x;
float fY = mousePos.y + leftStick.y;
// auto-hide cursor if it doesn't move for a while
if (fX == 0 && fY == 0 && SceneGraphConfig.MouseCursorHideTimeout > 0)
{
if ((FPlatform.RealTime() - lastMouseEventTime) > SceneGraphConfig.MouseCursorHideTimeout)
{
Cursor.SetVisible(false);
mouseInactiveState = true;
}
if (mouseInactiveState)
{
return;
}
}
else
{
lastMouseEventTime = FPlatform.RealTime();
if (mouseInactiveState)
{
Cursor.SetVisible(true);
}
mouseInactiveState = false;
}
// update cursor location
fCurPlaneX -= 0.3f * fX * fCursorSpeedNormalization;
fCurPlaneY -= 0.3f * fY * fCursorSpeedNormalization;
vPlaneCursorPos =
vCursorPlaneOrigin + fCurPlaneX * vCursorPlaneRight + fCurPlaneY * vCursorPlaneUp;
vSceneCursorPos = vPlaneCursorPos;
// if cursor gets outside of viewpoint it is almost impossible to get it back.
// So, if it goes too far out of view (45 deg here), we snap it back to the origin
if (context.InCameraManipulation == false && context.InCaptureMouse == false)
{
float fAngle = Vector3.Angle((vPlaneCursorPos - camera.transform.position).normalized, camera.transform.forward);
if (fAngle > 50.0f)
{
fCurPlaneX = fCurPlaneY = 0;
vPlaneCursorPos =
vCursorPlaneOrigin + fCurPlaneX * vCursorPlaneRight + fCurPlaneY * vCursorPlaneUp;
vSceneCursorPos = vPlaneCursorPos;
}
}
bool bHit = false;
// [RMS] boundsHit cursor orientation could be useful for things where you are picking a point
// on the ground plane (eg like drawing contours). Not sure how to toggle that though.
// Just disabling for now...
//bool bIsBoundsHit = false;
if (context != null)
{
Ray r = new Ray(camera.transform.position, (vPlaneCursorPos - camera.transform.position).normalized);
AnyRayHit hit = null;
if (context.FindAnyRayIntersection(r, out hit))
{
vSceneCursorPos = hit.hitPos;
bHit = true;
}
else
{
GameObjectRayHit ghit = null;
if (context.GetScene().FindWorldBoundsHit(r, out ghit))
{
vSceneCursorPos = ghit.hitPos;
//bIsBoundsHit = true;
}
}
}
this.CurrentCursorPosWorld = vPlaneCursorPos;
this.CurrentCursorRaySourceWorld = this.vRaySourcePosition;
Vector3 vEyeToPos = (vPlaneCursorPos - camera.transform.position).normalized;
//if (bIsBoundsHit) {
// Vector3 rotAxis = (vEyeToPos + camera.transform.right).normalized;
// Cursor.transform.localRotation = Quaternion.AngleAxis(180.0f-45.0f, rotAxis);
//} else {
Quaternion rotAlignUp = Quaternion.FromToRotation(Vector3.up, camera.transform.up);
Vector3 rotAxis = (vEyeToPos + camera.transform.right).normalized;
Cursor.transform.localRotation = Quaternion.AngleAxis(45.0f, rotAxis) * rotAlignUp;
//}
Cursor.transform.position = vSceneCursorPos;
if (context.InCaptureMouse)
{
Cursor.GetComponent <MeshRenderer> ().material = CursorCapturingMaterial;
}
else if (bHit)
{
Cursor.GetComponent <MeshRenderer> ().material = CursorHitMaterial;
}
else
{
Cursor.GetComponent <MeshRenderer> ().material = CursorDefaultMaterial;
}
Cursor.SetLayer(FPlatform.CursorLayer);
// maintain a consistent visual size for 3D cursor sphere
float fScaling = VRUtil.GetVRRadiusForVisualAngle(vSceneCursorPos, camera.transform.position, CursorVisualAngleInDegrees);
Cursor.transform.localScale = new Vector3(fScaling, fScaling, fScaling);
// update cursor
Mesh useMesh = context.ToolManager.HasActiveTool(ToolSide.Right) ? activeToolCursorMesh : standardCursorMesh;
if (Cursor.GetSharedMesh() != useMesh)
{
Cursor.SetSharedMesh(useMesh);
}
}
// FixedUpdate is called before any Update
public void Update()
{
if (CheckForSpatialInputActive() == false)
{
return;
}
Vector3 rootPos = spatialCamRig.transform.position;
SpatialDevice[] hands = { Left, Right };
for (int i = 0; i < 2; ++i)
{
SpatialDevice h = hands[i];
h.CursorActive = VRPlatform.IsSpatialDeviceTracked(i);
if (h.CursorActive)
{
h.Hand.Show();
h.Cursor.Show();
Vector3 handPos = VRPlatform.GetLocalControllerPosition(i);
Quaternion handRot = VRPlatform.GetLocalControllerRotation(i);
h.AbsoluteHandFrame = new Frame3f(rootPos + handPos, handRot);
float fPositionT = 0.2f;
float fRotationT = 0.2f;
//float fPositionT = 1.0f;
//float fRotationT = 1.0f;
if (h.SmoothedHandFrame.Origin != Vector3f.Zero)
{
Vector3 new_origin =
Vector3.Lerp(h.SmoothedHandFrame.Origin, h.AbsoluteHandFrame.Origin, fPositionT);
Quaternion new_rotation =
Quaternion.Slerp(h.SmoothedHandFrame.Rotation, h.AbsoluteHandFrame.Rotation, fRotationT);
h.SmoothedHandFrame = new Frame3f(new_origin, new_rotation);
}
else
{
h.SmoothedHandFrame = h.AbsoluteHandFrame;
}
h.Hand.transform.position = h.SmoothedHandFrame.Origin;
h.Hand.transform.rotation = h.SmoothedHandFrame.Rotation * (Quaternionf)handGeomRotation;
h.CursorRay = new Ray(h.SmoothedHandFrame.Origin,
(h.SmoothedHandFrame.Rotation * Vector3.forward).Normalized);
if (Mathf.Abs(h.CursorRay.direction.sqrMagnitude - 1.0f) > 0.001f)
{
DebugUtil.Log(2, "SpatialInputController.Update - invlaid cursor ray! rotation was {0}", h.SmoothedHandFrame.Rotation);
h.CursorRay = new Ray(h.SmoothedHandFrame.Origin, Vector3.up);
}
// raycast into scene to see if we hit object, UI, bounds, etc.
bool bHit = false;
if (context != null)
{
// want to hit-test active gizmo first, because that has hit-priority
if (context.TransformManager.HaveActiveGizmo)
{
UIRayHit uiHit = null;
if (context.TransformManager.ActiveGizmo.FindRayIntersection(h.CursorRay, out uiHit))
{
h.RayHitPos = uiHit.hitPos;
bHit = true;
}
}
// next we tested scene
if (bHit == false)
{
AnyRayHit hit = null;
if (context.FindAnyRayIntersection(h.CursorRay, out hit))
{
h.RayHitPos = hit.hitPos;
bHit = true;
}
}
// finally test worldbounds
if (bHit == false)
{
GameObjectRayHit ghit = null;
if (context.GetScene().FindWorldBoundsHit(h.CursorRay, out ghit))
{
h.RayHitPos = ghit.hitPos;
}
}
}
// if not, plane cursor on view-perp plane centered at last hit pos,
// otherwise it will be stuck/disappear
if (bHit == false)
{
Frame3f f = new Frame3f(h.RayHitPos, camera.transform.forward);
h.RayHitPos = f.RayPlaneIntersection(h.CursorRay.origin, h.CursorRay.direction, 2);
}
h.Cursor.transform.position = h.RayHitPos;
//if (scene.InCapture)
// MaterialUtil.SetMaterial(h.Cursor, h.CursorCapturingMaterial);
//else
if (bHit)
{
MaterialUtil.SetMaterial(h.Cursor, h.CursorHitMaterial);
}
else
{
MaterialUtil.SetMaterial(h.Cursor, h.CursorDefaultMaterial);
}
// maintain a consistent visual size for 3D cursor sphere
float fScaling = VRUtil.GetVRRadiusForVisualAngle(h.RayHitPos, camera.transform.position, CursorVisualAngleInDegrees);
h.Cursor.transform.localScale = fScaling * Vector3.one;
// orient cursor so it is tilted like a 2D cursor, but per-hand
Vector3 cursor_right = Vector3.Cross(camera.transform.up, h.CursorRay.direction);
Vector3 cursor_fw = Vector3.Cross(cursor_right, camera.transform.up);
float rotSign = (h == Right) ? 1.0f : -1.0f;
Vector3 pointDir = (camera.transform.up + cursor_fw - 0.5f * rotSign * cursor_right).normalized;
h.Cursor.transform.localRotation = Quaternion.FromToRotation(Vector3.up, pointDir);
// update laser line
if (h.Laser != null)
{
float hDist = (h.RayHitPos - h.CursorRay.origin).magnitude;
Vector3 p0 = h.RayHitPos - 0.9f * hDist * h.CursorRay.direction;
Vector3 p1 = h.RayHitPos + 100.0f * h.CursorRay.direction;
float r0 = VRUtil.GetVRRadiusForVisualAngle(p0, camera.transform.position, 0.5f);
h.LaserRen.SetPosition(0, p0);
h.LaserRen.SetPosition(1, p1);
h.LaserRen.startWidth = h.LaserRen.endWidth = r0;
}
// udpate cursor
Mesh useMesh = context.ToolManager.HasActiveTool(i) ? activeToolCursorMesh : standardCursorMesh;
if (h.Cursor.GetSharedMesh() != useMesh)
{
h.Cursor.SetSharedMesh(useMesh);
}
}
else
{
h.Hand.Hide();
h.Cursor.Hide();
}
}
}